Beckhoff ELX3252 Operating Manual page 27

LED display
LED Color Meaning
Run green This LED indicates the terminal's operating state:
off
flashi
ng
single
flash
on
Error LED1 red Fault indication in the event of broken wire or undershooting or overshooting of the
measuring range for channel 1
Error LED2 red Fault indication in the event of broken wire or undershooting or overshooting of the
measuring range for channel 2
ELX3252
State of the EtherCAT State Machine: INIT = initialization of the terminal or
BOOTSTRAP = function for firmware updates of the terminal
State of the EtherCAT State Machine: PREOP = function for mailbox
communication and different standard-settings set
State of the EtherCAT State Machine: SAFEOP = verification of the Sync
Manager channels and the distributed clocks.
Outputs remain in safe state
State of the EtherCAT State Machine: OP = normal operating state; mailbox and
process data communication is possible
Version: 1.0.0
Mounting and wiring
27